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South Polar Mesas
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Caption:
MGS MOC Release No. MOC2-451, 13 August 2003
This August 2003 Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) image shows a plethora of small mesas with sharp, arcuate edges located on the south polar residual cap of Mars. These mesas, each about 2 meters (6-7 feet) high, are all remnants of a single layer or grouping of layers of frozen carbon dioxide. Sublimation of the carbon dioxide has eroded the layer(s) from these flat-topped mesas. This scene is located near 86.6°S, 105.4°W and covers an area about 3 km (1.9 mi) across. Sunlight illuminates the scene from the upper left.
Cataloging Keywords:
| Name | Value | Additional Values |
|---|---|---|
| Target | Mars | |
| System | ||
| Target Type | Planet | |
| Mission | Mars Global Surveyor (MGS) | |
| Instrument Host | Mars Global Surveyor | |
| Host Type | Orbiter | |
| Instrument | Mars Orbiter Camera (MOC) | |
| Detector | ||
| Extra Keywords | Grayscale | |
| Acquisition Date | ||
| Release Date | 2003-08-20 | |
| Date in Caption | 2003-08-13 | |
| Image Credit | NASA/JPL/Malin Space Science Systems | |
| Source | photojournal.jpl.nasa.gov/catalog/PIA04685 | |
| Identifier | PIA04685 | |
